BesAsm.Swsp.PacSizingTool.Form1.cmbHierachy_SelectedIndexChanged_1 C# (CSharp) Метод

        private void cmbHierachy_SelectedIndexChanged_1(object sender, EventArgs e)
        {
            String selected = this.cmbHierachy.SelectedItem as String;
            if (selected.Equals("3") || selected.Equals("4"))
            {
            this.lblPreCN.Enabled = true;
            this.txtPreCurveNumber.Enabled = true;

            if (selected.Equals("3"))
            {
                this.cmbDischargePoint.Visible = true;
                this.lblDischargePoint.Visible = true;
            }
            else
            {
                this.cmbDischargePoint.Visible = false;
                this.lblDischargePoint.Visible = false;
            }
            }
            else
            {
            this.lblPreCN.Enabled = false;
            this.txtPreCurveNumber.Enabled = false;
            this.cmbDischargePoint.Visible = false;
            this.lblDischargePoint.Visible = false;
            }
        }